Pacific Island Ecosystems at Risk (PIER)

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Cyrtococcum patens
(L.) A. Camus, Poaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Cyrtococcum accrescens (Trin.) Stapf; Panicum patens L.

Common name(s): [more details]

Chinese: gong guo shu

English: bowgrass

Pohnpeian: reh-maikol, rehmaikol, solmaleh

Habit:  grass

Description:  "Creeping perennial, culms prostrate and rooting at the nodes, erect portions to 60 cm tall, internodes cylindrical, hollow, glabrous, nodes glabrous.  Leaf sheaths glabrous, ciliate; ligule 0.5-0.7 mm high, glabrous; longest blades 3.5-9 cm long, 3-12 mm wide, lanceolate, acuminate, the base asymmetrical, the margins minutely scabrous and with a few basal cilia.  Panicle 5-25 cm long, the branches widely spreading, the pedicels longer than the spikelets, spreading. Spikelets 1.6-2 mm long, pubescent; lower glume 0.9-1.4 mm long, 3-nerved; upper glume 1.5-1.7 mm long, 3-5-nerved; lower floret sterile, lemma 5-nerved, its palea rudimentary or absent; upper floret 1.4-1.8 mm long, 0.8-1.2 mm wide, minutely pitted" (Dassanayake, 1994; pp. 142-143).

"Ascending grass similar to C. oxyphyllum, but larger, with fine, spreading panicle branches" (Whistler, 1988; p. 49).

Description from GrassBase.

Habitat/ecology:  In Samoa, "uncommon in disturbed places in the mountains" (Whistler, 1988; p. 49).  In Ceylon, "in shady habitats, especially in secondary growth at elevation of 500 m" (Dassanayake, 1994; pp. 142-143).

Propagation:  Seed

Native range:  India and tropical Asia (Dassanayake, 1994; pp. 142-143). Fosberget al. (1987; p. 35) list as native in Micronesia.

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Tinian Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 35)
Federated States of Micronesia
Chuuk Islands
Dublon (Tonowas) Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 35)
Federated States of Micronesia
Chuuk Islands
Fefan Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 35)
Federated States of Micronesia
Chuuk Islands
Tol Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 35)
Federated States of Micronesia
Chuuk Islands
Weno (Moen) Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 35)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 35)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island   Glassman, S. F. (1952) (p. 127)
Vouchers cited: Glassman 2472 (US), Glassman 2836 (US)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island native
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (pp. 55-56)
Vouchers cited: A. Dores 76 (BISH, NY, PTBG), E. Eperiam 17 (NY), T.W. Flynn 6089 (K, PTBG), F.R. Fosberg 2966 (BISH), S.F. Glassman 2472 (BISH), S. Ishikawa 462 (BISH), D.H. Lorence 8090 (K, MO, PTBG, US), D.H. Lorence 9555 (BISH, COM, NY, PTBG, US), D.H. Lorence 9989 (PTBG), L. Raulerson 25292 (BISH), F.F. Sohl 36 (BISH, NY, PTBG), M. Takamatsu 719 (BISH), C. Trauernicht 142 (NY, PTBG)
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands   Kato, Hidetoshi (2007)
Palau
Palau (Belau ) (main island group)
Babeldaob Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 35)
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Papua New Guinea
Bougainville Islands
Bougainville Island   Foreman, D. B. (1971) (p. 25)
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands   Merrill, Elmer D. (1925) (p. 66)
Common in thickets, some secondary forests, old clearings, etc., at low and medium altitudes.
Samoa
Western Samoa Islands
Upolu Island   Whistler, W. A. (1988) (p. 49)
Solomon Islands
Solomon Islands
Solomon Islands   Swarbrick, John T. (1997) (p. 91)
Solomon Islands
Solomon Islands
Solomon Islands native
Hancock, I. R./Henderson, C. P. (1988) (p. 63)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Moist places in grasslands and forests. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, Xizang, Yunnan.
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 330)
In forests or wet places.
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan
Japan
Japan (country) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan
Ryukyu Islands
Ryukyu Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) native
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 31)
Critically endangered
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Moist places in grasslands and forests.
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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This page was created on 1 JAN 1999 and was last updated on 30 NOV 2008.